Base | Representation |
---|---|
bin | 100001011000101100… |
… | …0101110010001111110 |
3 | 20212001120210000220110 |
4 | 1002301120232101332 |
5 | 2133313023244430 |
6 | 52534135530450 |
7 | 5115452623125 |
oct | 1026130562176 |
9 | 225046700813 |
10 | 71695524990 |
11 | 284512890a1 |
12 | 11a8a829a26 |
13 | 69b77b808b |
14 | 3681c94abc |
15 | 1ce93cd7b0 |
hex | 10b162e47e |
71695524990 has 64 divisors (see below), whose sum is σ = 173755264320. Its totient is φ = 18931691520.
The previous prime is 71695524973. The next prime is 71695525003. The reversal of 71695524990 is 9942559617.
It is a self number, because there is not a number n which added to its sum of digits gives 71695524990.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6131950 + ... + 6143630.
It is an arithmetic number, because the mean of its divisors is an integer number (2714926005).
Almost surely, 271695524990 is an apocalyptic number.
71695524990 is an abundant number, since it is smaller than the sum of its proper divisors (102059739330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71695524990 is a wasteful number, since it uses less digits than its factorization.
71695524990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13677.
The product of its (nonzero) digits is 6123600, while the sum is 57.
The spelling of 71695524990 in words is "seventy-one billion, six hundred ninety-five million, five hundred twenty-four thousand, nine hundred ninety".
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